Impression adjuster for typewriters



H. P. LUHN IMPRESSION FOR TYPEWRITERS 21 Sheets-Sheet 1 Filed Dec. 30, 1954 FIXED F REQUENOY GENERATOR PROGRAM PRE-SET UNIT i END OF CYCLE CONTROL VFIGQI.

COUNTER GATE PHOTO CELL UNIT i ELECTRONIC COUNTER CONTROL SCREWDRIVER CONTROL J L DIRECTION INVENTOR Hons I? Luhn CARRY coum' ERROR REGISTER i ERROR INDIGATING DEVICE ATTORNEY Oct. 14, 1958 H. P. LUHN' I 2,856,052

IMPRESSION'ADJUSTER FOR TYPEWRITERS Filed Dec. 30, 1954 21 Sheets-Sheet 2 Q a o 56 I28 0 2 v 68 g INVENTOR Hons PLuhn ATTORNEY Oct. 14, 1958 H. P. LUHN 2 85 IMPRESSION ADJUSTER FOR TYPEWRITERS Filed Dec. :50. 1954 21 Sheets-Sh eet s I I I I I I .I

I I l I I I I I I I i Q I (9 I, u. I I I I I I h I I I I I I L\ I- L 1 INVENTOR Hons I? Luhn ATTORNEY Oct. 14, 1958 H. P. LUHN IMPRESSION ADJUSTER FOR TYPEWRITERS 21 Sheets-Sheet 5 Filed Dec. 30, 1954 |r|| II II IIIIIL INVENTOR Hans P Luhn ATTORNEY Oct. 14, 1958 H. P. LUHN 2,856,052

IMPRESSION ADJUSTER F0 R TYPEWRITERS Filed Dec. 30, 1954 21 Sheets-Sheet 6 INVENTOR Hons I? Luhn ATTORNEY Ot. 14, 1958 H. P. LUHN IMPRESSION ADJUSTER FOR TYPEWRITERS Filed Dec. 30. 1954 21 Sheets-Sheet '7 A A A m 8 8 F IN VENTOR J cans P Luhn ATTORNEY 21 Sheets-Sheet 8 INVENTOR Hans I? Luhn 6: N. 7 w mm Oct. 14, 1958 H. P. LUHN IMPRESSION ADJUSTER FOR TYPEWRITERS Filed Dec. 50, 1954 Y N: m 32 8 ATTORNE Y Oct. 14, 1958 H. P. LUHN IMPRESSION ADJUSTER FOR TYPEWRITERS 21 Sheets-Sheet 9 Filed Dec. 30, 1954 INVENTOR Hans F. Luhn ATTORNEY Get. 14, 1958 H. P. LUHN 2,856,052

IMPRESSION ADJUSTER FOR TYPEWRITERS Filed Dec. 30, 1954 21 Sheets-Sheet 10 F IG. l5.

INVENTOR FIG. l6. Hons I? Luhn AT TOQNEY;

Oct. 14, 1958 H. P. LUHN 2,356,052.

IMPRESSION ADJUSTER FOR TYPEWRITERS Filed Deck 30. 1954 21 Sheets-Sheet 12 IN VE N TOR ATTORNEY as P Luhn Oct. 14, 1958 H. P. LUHN 2,8

IMPRESSION ADJUSTER FOR TYPEWRITERS Filed Dec. 30, 1954 21 Sheets-Sheet 1s "Ilium 1 l 9| FIG. 2|.

j I I84 F: I I I l77- .I

: '94 "ESE- I85 H FIG. 22.

:nill' FIG. 23.

' INVENTOR ans I? Luhn ATTORNEY Oct. 14, 1958 H. P. LUHN' 2,355,052

IMPRESSION ADJUSTER FOR TYPEWRITERS Filed Dec. 30, 1954 21 Sheets-Sheet 14 A5 1' 226 223 am 205 Vans 7 F l G. 24. INVENTOR Hons I? Luhn ATTORNEY ct. 14, 1958 H. P. LUHN 2, ,0

IMPRESSION ADJUSTER FOR TYPEWRITERS Filed Dec. 30, 1954 21 Sheets-Sheet l5 RIO I 69 69 FORWARD CLUTCH 24| 42 MEN , e 9d REVERSE P%%@"RE'%4 69a 1E5 400. P

24Gb P 5 5 240: P 5 L 240d P a L 240.: P

3 P 240; END

A 9 CARRY TEST PULSER R8- 69f I 3 fis L KEY t 494 CARRIAGE RETURN I52 COUNTER RESET .;5. 2'0 i v coummesr nesg'r' s9! V Y 4 INVENTOR Hans I? hn ATTORNEY I Oct. 14, 1958 H. P. LUHN 2,856,052

IMPRESSION ADJUSTER FOR TYPEWRITERS Filed Dec. 30, 1954 21 Sheets-Sheet 18 FIG..29C. 5

4 FIG. 29D.

INVENTOR ans I? Luhn F I G; 29E.

ATTORNEY Get. 14, 1958 v LUHN 2,856,052

IMPRESSION ADJUSTER FOR TYPEIWRITERS Filed Dec. 30,}954 21 Sheets-Sheet 19 INVENTOR I ns P Luhn ATTORNEY cf. 14, 1958 LUHN 2,856,052

IMPRESSION ADJUSTER FOR TYPEWRITERS Filed Dec. 30, 1954 21 Sheets-Sheet 20 v 392 $398 SBQALESBB 393 390 w I E! 38541 40. 391 400 ass 384 385 402 d -IOOV.BIA$

-noov RESET (g INVENTOR 

